- singing technique:
- Bernhard Adler ( Vienna )
- Bruno Pola ( Lugano )
- Gennaro Sica ( Firenze )
- musical interpretation:
- Maksimilijan Cencic ( Vienna )
- Uwe Theimer ( Vienna )
- Gianni Fabbrini ( Firenze )
- Fabrizio Corona ( Montevarchi )
- André Vitek ( Hohenems )
- staging:
- Margarita Kyriaki ( Prayner Kons. Vienna )
- Didier v. Orlowsky ( UNI Vienna )
- Michael Temme ( UNI Vienna )
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